30012021344 has 48 divisors (see below), whose sum is σ = 61272495648. Its totient is φ = 14458632192.

The previous prime is 30012021343. The next prime is 30012021353. The reversal of 30012021344 is 44312021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012021343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 245000.

It is an arithmetic number, because the mean of its divisors is an integer number (1276510326).

Almost surely, 2^30012021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30012021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30636247824).

30012021344 is an abundant number, since it is smaller than the sum of its proper divisors (31260474304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30012021344 is a wasteful number, since it uses less digits than its factorization.

30012021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246247 (or 246239 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30012021344 its reverse (44312021003), we get a palindrome (74324042347).

The spelling of 30012021344 in words is "thirty billion, twelve million, twenty-one thousand, three hundred forty-four".